:root {
            --gold: #D4A24C;
            --gold-dark: #B8893A;
            --gold-light: #E8C97A;
            --dark: #1A1A1A;
            --dark-soft: #2A2A2A;
            --gray-text: #999;
            --radius: 12px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        }

        /* ---- 内页 Banner ---- */
        .page-banner {
            padding: 70px 0 50px;
            background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
            color: #fff;
            text-align: center;
            border-bottom: 3px solid var(--gold);
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .page-banner h1 span {
            color: var(--gold);
        }
        .page-banner p {
            font-size: 1.1rem;
            color: #ccc;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .page-banner .breadcrumb {
            margin-top: 16px;
            font-size: 0.9rem;
            color: #888;
        }
        .page-banner .breadcrumb a {
            color: var(--gold);
            text-decoration: none;
        }
        .page-banner .breadcrumb a:hover {
            text-decoration: underline;
        }
        .category-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    padding: 10px;
    border-radius: 12px;
    margin-bottom: 32px;
    align-items: center;
}
.category-nav a {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 14px;
    color: #334155;
    background: #fff;
    border: 1px solid #e2e8f0;
    transition: all 0.2s;
    text-decoration: none;
    font-weight: 500;
}
.category-nav a:hover {
    border-color: var(--gold, #b91c1c);
    color: var(--gold, #b91c1c);
    background: #fff;
}
.category-nav a.active {
    background: var(--gold, #b91c1c);
    border-color: var(--gold, #b91c1c);
    color: #fff;
}
.category-nav a.active:hover {
    background: var(--gold-dark, #991b1b);
    border-color: var(--gold-dark, #991b1b);
}
.category-nav .current-cat {
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
    margin-left: auto;
    background: #eef2ff;
    padding: 4px 18px;
    border-radius: 20px;
    white-space: nowrap;
}
.category-nav .current-cat span {
    color: var(--gold, #b91c1c);
}

        /* ---- 产品列表 ---- */
        .product-list {
            padding: 50px 0 70px;
            background: #fff;
        }
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 30px 24px;
        }

        /* 产品卡片样式 */
        .product-card {
            background: #faf8f5;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid #f0ede8;
            transition: 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: var(--gold-light);
        }
        .product-card .card-img {
            background: #f0ede8;
            height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .product-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .product-card .card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-card .card-body .product-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(212, 162, 76, 0.10);
            padding: 2px 12px;
            border-radius: 20px;
            border: 1px solid rgba(212, 162, 76, 0.20);
            align-self: flex-start;
            margin-bottom: 8px;
        }
        .product-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .product-card .card-body .model {
            font-size: 0.85rem;
            color: #999;
            margin-bottom: 8px;
        }
        .product-card .card-body .desc {
            font-size: 0.92rem;
            color: #666;
            line-height: 1.6;
            flex: 1;
        }
        .product-card .card-body .card-footer {
            margin-top: 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid #edeae3;
            padding-top: 14px;
        }
        .product-card .card-body .card-footer .price {
            font-weight: 600;
            color: var(--gold-dark);
            font-size: 0.95rem;
        }
        .product-card .card-body .card-footer .btn-detail {
            padding: 6px 18px;
            border-radius: 40px;
            background: var(--gold);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            text-decoration: none;
            transition: 0.2s ease;
            border: none;
        }
        .product-card .card-body .card-footer .btn-detail:hover {
            background: var(--gold-dark);
        }
      .detail-section {
            padding: 40px 0 70px;
            background: #fff;
        }
        .detail-container {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        /* ---- 左侧图片区域 ---- */
        .detail-gallery {
            position: sticky;
            top: 30px;
        }
        .detail-gallery .main-img {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid #f0ede8;
            box-shadow: var(--shadow);
            background: #faf8f5;
        }
        .detail-gallery .main-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ---- 右侧信息区域 ---- */
        .detail-info .back-nav {
            margin-bottom: 16px;
        }
        .detail-info .back-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #888;
            text-decoration: none;
            font-size: 0.9rem;
            transition: 0.2s ease;
        }
        .detail-info .back-nav a:hover { color: var(--gold); }

        .detail-info .product-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--gold);
            background: rgba(212,162,76,0.10);
            padding: 4px 16px;
            border-radius: 20px;
            border: 1px solid rgba(212,162,76,0.20);
            margin-bottom: 12px;
        }
        .detail-info h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
            line-height: 1.2;
        }
        .detail-info .model {
            font-size: 1rem;
            color: #999;
            margin-bottom: 8px;
        }
        .detail-info .brand {
            font-size: 0.9rem;
            color: #666;
            margin-bottom: 12px;
        }
        .detail-info .brand strong {
            font-weight: 600;
            color: var(--dark);
        }
        .detail-info .price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--gold-dark);
            margin-bottom: 20px;
        }
        .detail-info .desc {
            font-size: 0.98rem;
            line-height: 1.8;
            color: #555;
            margin-bottom: 24px;
            border-top: 1px solid #edeae3;
            padding-top: 20px;
        }
        .detail-info .attrs {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6px 20px;
            background: #faf8f5;
            padding: 16px 20px;
            border-radius: var(--radius);
            border: 1px solid #f0ede8;
            margin-bottom: 24px;
        }
        .detail-info .attrs .item {
            display: flex;
            gap: 6px;
            font-size: 0.9rem;
            color: #555;
        }
        .detail-info .attrs .item .label {
            color: #999;
            min-width: 60px;
        }
        .detail-info .attrs .item .value {
            font-weight: 500;
            color: var(--dark);
        }
        .detail-info .btn-inquiry {
            display: inline-block;
            padding: 12px 44px;
            background: var(--gold);
            color: #fff;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: 0.25s ease;
            border: none;
            cursor: pointer;
        }
        .detail-info .btn-inquiry:hover {
            background: var(--gold-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(212,162,76,0.3);
        }

        .detail-body-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid #edeae3;
        }
        .detail-body-section .detail-body {
            max-width: 1100px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.9;
            color: #444;
        }
        .detail-body-section .detail-body p { margin-bottom: 1.2em; }
        .detail-body-section .detail-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--dark);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
        }
        .detail-body-section .detail-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
            margin-top: 1.5em;
            margin-bottom: 0.5em;
        }
        .detail-body-section .detail-body ul, .detail-body-section .detail-body ol {
            padding-left: 1.6em;
            margin-bottom: 1.2em;
        }
        .detail-body-section .detail-body li { margin-bottom: 0.4em; }
        .detail-body-section .detail-body img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.2em 0;
            border: 1px solid #edeae3;
        }
        .detail-body-section .detail-body .img-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin: 1.2em 0;
        }
        .detail-body-section .detail-body .img-grid img { margin: 0; border-radius: 8px; }
        .detail-body-section .detail-body blockquote {
            padding: 16px 24px;
            background: #faf8f5;
            border-left: 4px solid var(--gold);
            border-radius: 0 8px 8px 0;
            margin: 1.2em 0;
            color: #666;
            font-style: italic;
        }
        /* ---- 响应式 ---- */
        @media (max-width: 768px) {
            .page-banner h1 {
                font-size: 2rem;
            }
            .product-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .product-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .product-card .card-img {
                height: 140px;
            }
            .product-card .card-body {
                padding: 12px;
            }
            .product-card .card-body h3 {
                font-size: 0.95rem;
            }
        }